Java Code Examples for android.util.JsonWriter#beginArray()

public static String listToJsonStr(final List<Object> list) {
    if (list == null || list.isEmpty()) {
        return EMPTY_STRING;
    }
    final StringWriter sw = new StringWriter();
    final JsonWriter writer = new JsonWriter(sw);
    try {
        writer.beginArray();
        for (final Object o : list) {
            writer.beginObject();
            if (o instanceof Integer) {
                writer.name(INTEGER_CLASS_NAME).value((Integer)o);
            } else if (o instanceof String) {
                writer.name(STRING_CLASS_NAME).value((String)o);
            }
            writer.endObject();
        }
        writer.endArray();
        return sw.toString();
    } catch (final IOException e) {
    } finally {
        close(writer);
    }
    return EMPTY_STRING;
}
 

@TypeConverter
public static String fromStringSet(Set<String> strings) {
  if (strings==null) {
    return(null);
  }

  StringWriter result=new StringWriter();
  JsonWriter json=new JsonWriter(result);

  try {
    json.beginArray();

    for (String s : strings) {
      json.value(s);
    }

    json.endArray();
    json.close();
  }
  catch (IOException e) {
    Log.e(TAG, "Exception creating JSON", e);
  }

  return(result.toString());
}
 

public static String listToJsonStr(final List<Object> list) {
    if (list == null || list.isEmpty()) {
        return EMPTY_STRING;
    }
    final StringWriter sw = new StringWriter();
    final JsonWriter writer = new JsonWriter(sw);
    try {
        writer.beginArray();
        for (final Object o : list) {
            writer.beginObject();
            if (o instanceof Integer) {
                writer.name(INTEGER_CLASS_NAME).value((Integer)o);
            } else if (o instanceof String) {
                writer.name(STRING_CLASS_NAME).value((String)o);
            }
            writer.endObject();
        }
        writer.endArray();
        return sw.toString();
    } catch (final IOException e) {
    } finally {
        close(writer);
    }
    return EMPTY_STRING;
}
 

public static void save(Context context, String filename, ArrayList<Session> sessions) {
    try {

        FileOutputStream fos = context.openFileOutput(filename, Context.MODE_PRIVATE);

        JsonWriter writer = new JsonWriter(new OutputStreamWriter(fos, "UTF-8"));
        writer.setIndent("  ");
        writer.beginArray();
        for (Session s : sessions) {
            s.toJSON(writer);
        }
        writer.endArray();
        writer.close();
    } catch (Exception e) {
        e.printStackTrace();
    }
}
 

public static String listToJsonStr(final List<Object> list) {
    if (list == null || list.isEmpty()) {
        return EMPTY_STRING;
    }
    final StringWriter sw = new StringWriter();
    final JsonWriter writer = new JsonWriter(sw);
    try {
        writer.beginArray();
        for (final Object o : list) {
            writer.beginObject();
            if (o instanceof Integer) {
                writer.name(INTEGER_CLASS_NAME).value((Integer)o);
            } else if (o instanceof String) {
                writer.name(STRING_CLASS_NAME).value((String)o);
            }
            writer.endObject();
        }
        writer.endArray();
        return sw.toString();
    } catch (final IOException e) {
    } finally {
        close(writer);
    }
    return EMPTY_STRING;
}
 

private void toJsonTags(JsonWriter writer)throws IOException{
    writer.name("tags");
    writer.beginArray();
    for(Tag t:getTags().getAllTagsSet())
        t.writeJson(writer);
    writer.endArray();
}
 

private void snapshotViewHierarchy(JsonWriter j, View rootView)
        throws IOException {
    reset();
    j.beginArray();
    snapshotView(j, rootView, 0);
    j.endArray();
}
 

private static String serializeModifiers(Collection<PaymentDetailsModifier> modifiers) {
    StringWriter stringWriter = new StringWriter();
    JsonWriter json = new JsonWriter(stringWriter);
    try {
        json.beginArray();
        for (PaymentDetailsModifier modifier : modifiers) {
            serializeModifier(modifier, json);
        }
        json.endArray();
    } catch (IOException e) {
        return EMPTY_JSON_DATA;
    }
    return stringWriter.toString();
}
 

void writeMatchedSubstringsArray(JsonWriter writer, List<MatchedSubstring> matchedSubstrings) throws IOException {
    writer.beginArray();
    for (MatchedSubstring matchedSubstring : matchedSubstrings) {
        writer.beginObject();
        writer.name("length").value(matchedSubstring.length);
        writer.name("offset").value(matchedSubstring.offset);
        writer.endObject();
    }
    writer.endArray();
}
 

void writeDescriptionTermsArray(JsonWriter writer, List<DescriptionTerm> descriptionTerms) throws IOException {
    writer.beginArray();
    for (DescriptionTerm term : descriptionTerms) {
        writer.beginObject();
        writer.name("offset").value(term.offset);
        writer.name("value").value(term.value);
        writer.endObject();
    }
    writer.endArray();
}
 

void writePlaceTypesArray(JsonWriter writer, List<PlaceType> placeTypes) throws IOException {
    writer.beginArray();
    for (PlaceType type : placeTypes) {
        switch (type) {
            case ROUTE:
                writer.value("route");
                break;
            case GEOCODE:
                writer.value("geocode");
                break;
        }
    }
    writer.endArray();
}
 

private void mergeWebViewNodes(JsonWriter j, WebNode view, View webView, float webViewScale) {
    try {
        j.beginObject();
        j.name("hashCode").value(view.getId());
        j.name("index").value(0);
        if (!TextUtils.isEmpty(view.get$element_selector())) {
            j.name("element_selector").value(view.get$element_selector());
        }
        if (!TextUtils.isEmpty(view.get$element_content())) {
            j.name("element_content").value(view.get$element_content());
        }
        j.name("element_level").value(++mSnapInfo.elementLevel);
        j.name("h5_title").value(view.get$title());
        float scale = view.getScale();
        if (webViewScale == 0) {
            webViewScale = scale;
        }
        // 原生 WebView getScrollX 能取到值，而 X5WebView 始终是 0
        float left = 0f, top = 0f;
        if (webView.getScrollX() == 0) {
            left = view.getLeft() * webViewScale;
        } else {
            left = (view.getLeft() + view.getScrollX()) * webViewScale;
        }
        if (webView.getScrollY() == 0) {
            top = view.getTop() * webViewScale;
        } else {
            top = (view.getTop() + view.getScrollY()) * webViewScale;
        }
        j.name("left").value((int) left);
        j.name("top").value((int) top);
        j.name("width").value((int) (view.getWidth() * webViewScale));
        j.name("height").value((int) (view.getHeight() * webViewScale));
        j.name("scrollX").value(0);
        j.name("scrollY").value(0);
        j.name("visibility").value(view.isVisibility() ? View.VISIBLE : View.GONE);
        j.name("url").value(view.get$url());
        j.name("clickable").value(true);
        j.name("importantForAccessibility").value(true);
        j.name("is_h5").value(true);

        j.name("classes");
        j.beginArray();
        j.value(view.getTagName());
        Class<?> klass = webView.getClass();
        do {
            j.value(klass.getCanonicalName());
            klass = klass.getSuperclass();
        } while (klass != Object.class && klass != null);
        j.endArray();

        List<String> list = view.getSubelements();
        if (list != null && list.size() > 0) {
            j.name("subviews");
            j.beginArray();
            for (String id : list) {
                j.value(id);
            }
            j.endArray();
        }
        j.endObject();
    } catch (IOException e) {
        SALog.printStackTrace(e);
    }

}
 

public ConfEncoder2() throws IOException {
    mBuffer = new StringWriter();
    mWriter = new JsonWriter(mBuffer);
    mWriter.beginArray();
}
 

private static void writeViewProperties(JsonWriter j, View v, ViewSnapshotConfig snapshotConfig) throws IOException {
    final Class<?> viewClass = v.getClass();
    for (final ViewProperty desc : snapshotConfig.propertyDescriptionList) {
        if (desc.target.isAssignableFrom(viewClass) && null != desc.accessor) {
            final Object value = desc.accessor.invokeMethod(v);
            //noinspection StatementWithEmptyBody
            if (null == value) {
                // no-op
            }  else if (value instanceof Boolean) {
                j.name(desc.name).value((Boolean) value);
            } else if (value instanceof Number) {
                j.name(desc.name).value((Number) value);
            } else if (value instanceof ColorStateList) {
                j.name(desc.name).value((Integer) ((ColorStateList) value).getDefaultColor());
            } else if (value instanceof Drawable) {
                final Drawable drawable = (Drawable) value;
                final Rect bounds = drawable.getBounds();
                j.name(desc.name);
                j.beginObject();
                j.name("classes");
                j.beginArray();
                Class klass = drawable.getClass();
                while (klass != Object.class) {
                    if (klass != null) {
                        j.value(klass.getCanonicalName());
                        klass = klass.getSuperclass();
                    }
                }
                j.endArray();
                j.name("dimensions");
                j.beginObject();
                j.name("left").value(bounds.left);
                j.name("right").value(bounds.right);
                j.name("top").value(bounds.top);
                j.name("bottom").value(bounds.bottom);
                j.endObject();
                if (drawable instanceof ColorDrawable) {
                    final ColorDrawable colorDrawable = (ColorDrawable) drawable;
                    j.name("color").value(colorDrawable.getColor());
                }
                j.endObject();
            } else {
                j.name(desc.name).value(value.toString());
            }
        }
    }
}
 

private static void viewHierarchySnapshot(JsonWriter j, View rootView, ViewSnapshotConfig snapshotConfig) throws IOException {
    j.beginArray();
    viewSnapshot(j, rootView, snapshotConfig);
    j.endArray();
}
 

private void snapshotViewHierarchy(JsonWriter j, View rootView) throws IOException {
    j.beginArray();
    snapshotView(j, rootView);
    j.endArray();
}
 

private void addProperties(JsonWriter j, View v)
        throws IOException {
    final Class<?> viewClass = v.getClass();
    for (final PropertyDescription desc : mProperties) {
        if (desc.targetClass.isAssignableFrom(viewClass) && null != desc.accessor) {
            final Object value = desc.accessor.applyMethod(v);
            if (null == value) {
                // Don't produce anything in this case
            } else if (value instanceof Number) {
                j.name(desc.name).value((Number) value);
            } else if (value instanceof Boolean) {
                boolean clickable = (boolean) value;
                if (TextUtils.equals("clickable", desc.name)) {
                    if (VisualUtil.isSupportClick(v)) {
                        clickable = true;
                    } else if (VisualUtil.isForbiddenClick(v)) {
                        clickable = false;
                    }
                }
                j.name(desc.name).value(clickable);
            } else if (value instanceof ColorStateList) {
                j.name(desc.name).value((Integer) ((ColorStateList) value).getDefaultColor());
            } else if (value instanceof Drawable) {
                final Drawable drawable = (Drawable) value;
                final Rect bounds = drawable.getBounds();
                j.name(desc.name);
                j.beginObject();
                j.name("classes");
                j.beginArray();
                Class klass = drawable.getClass();
                while (klass != Object.class) {
                    j.value(klass.getCanonicalName());
                    klass = klass.getSuperclass();
                }
                j.endArray();
                j.name("dimensions");
                j.beginObject();
                j.name("left").value(bounds.left);
                j.name("right").value(bounds.right);
                j.name("top").value(bounds.top);
                j.name("bottom").value(bounds.bottom);
                j.endObject();
                if (drawable instanceof ColorDrawable) {
                    final ColorDrawable colorDrawable = (ColorDrawable) drawable;
                    j.name("color").value(colorDrawable.getColor());
                }
                j.endObject();
            } else {
                j.name(desc.name).value(value.toString());
            }
        }
    }
}
 

@SuppressWarnings("deprecation")
private void addProperties(JsonWriter j, View v) throws IOException {
    final Class<?> viewClass = v.getClass();
    boolean processable = true;
    for (final PropertyDescription desc : mProperties) {
        if (desc.targetClass.isAssignableFrom(viewClass) && null != desc.accessor) {
            final Object value = desc.accessor.applyMethod(v);

            if (processable) {
                if (!TextUtils.isEmpty(desc.name)) {
                    if ("clickable".equals(desc.name)) {
                        boolean isClickable = (Boolean) value;
                        if (!isClickable || v instanceof AbsListView || v instanceof AbsoluteLayout) {
                            processable = false;
                        }
                    } else if ("alpha".equals(desc.name)) {
                        float alpha = (Float) value;
                        // 透明度是0则不可见
                        if (alpha == 0) {
                            processable = false;
                        }
                    } else if ("hidden".equals(desc.name)) {
                        int hide = (Integer) value;
                        // hidden是0则隐藏
                        if (hide != 0) {
                            processable = false;
                        }
                    }
                }
            }
            j.name("processable").value(processable ? "1" : "0");
            if (null == value) {
                // Don't produce anything in this case
            } else if (value instanceof Number) {
                j.name(desc.name).value((Number) value);
            } else if (value instanceof Boolean) {
                j.name(desc.name).value((Boolean) value);
            } else if (value instanceof ColorStateList) {
                j.name(desc.name).value((Integer) ((ColorStateList) value).getDefaultColor());
            } else if (value instanceof Drawable) {
                final Drawable drawable = (Drawable) value;
                final Rect bounds = drawable.getBounds();
                j.name(desc.name);
                j.beginObject();
                j.name("classes");
                j.beginArray();
                Class<?> klass = drawable.getClass();
                while (klass != Object.class) {
                    j.value(klass.getCanonicalName());
                    klass = klass.getSuperclass();
                }
                j.endArray();
                j.name("dimensions");
                j.beginObject();
                j.name("left").value(bounds.left);
                j.name("right").value(bounds.right);
                j.name("top").value(bounds.top);
                j.name("bottom").value(bounds.bottom);
                j.endObject();
                if (drawable instanceof ColorDrawable) {
                    final ColorDrawable colorDrawable = (ColorDrawable) drawable;
                    j.name("color").value(colorDrawable.getColor());
                }
                j.endObject();
            } else {
                j.name(desc.name).value(value.toString());
            }
        }
    }
}